Down syndrome is a chromosomal disorder due to an extra copy of chromosome 21, or Trisomy 21. The additional genetic information for development changes results in intellectual disabilities, unique ...
Mosaic Down syndrome has some cells with three copies of chromosome 21, and some with two instead of all three. Only about 1% ...
Please enable JavaScript to read this content. Down Syndrome is a genetic disorder caused by abnormal cell division during the early stages of the development of the ...
An ambitious new research effort seeks to follow thousands of individuals with Down syndrome from infancy to adulthood in order to learn more about the chromosomal disorder. The project from the ...